Abstract
Introduction
The gold standard of Acetabular fractures treatment is open reduction and internal fixation (ORIF). Our purpose is to assess the short- to medium-term outcomes and complications of surgically treated acetabular fractures. We analysed factors influencing clinical outcomes, incidence of complications and predictors of conversion in total hip arthroplasty (THA).
Materials and methods
We retrospectively analysed 102 patients with acetabular fracture surgically treated between December 2017 and September 2020. We evaluated the quality of reduction with x-ray measuring residual displacement, classified into 3 groups (Matta Radiological Score). At the final follow-up, radiographs were graded according to Matta’s Radiological Outcome Grading, and the clinical outcomes were graded using Oxford Hip Score (OHS).
Results
62 patients were enrolled. OHS was influenced by quality of reduction (p = 0.031), injury severity score (ISS) (p = 0.003) and BMI > 30 (p < 0.0001). The late sequelae were heterotopic ossification (HO) in 13 patients, osteoarthritis (OA) in 22 and avascular necrosis (AVN) in 4. HO was significantly affected by posterior approach and ISS > 15. The analysis showed a correlation between AVN and posterior hip dislocation. OA had a correlation with postoperative quality of reduction (p = 0.014). Eight patients required THA with a significant correlation between THA and posterior dislocation, isolated posterior wall fracture and ISS > 15.
Conclusion
A high rate of patients with acetabular fractures still develop complications and require THA. Identification of predictors for poor outcome may help to inform surgical decision-making regarding options of plate osteosynthesis or ‘Fix and Replace’, to avoid poor outcomes and early revision surgery.
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Data availability
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LZ, LC and PDB contributed to the study conception and design. Material preparation, data collection and analysis were performed by LZ, SG, LC and DB. The first draft of the manuscript was written by LZ and LC, and all authors commented on previous versions of the manuscript. DTB edited the manuscript. All authors read and approved the final manuscript.
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All authors have participated in the research, the article has not been submitted elsewhere and there is no financial interest to report. All patients accepted the proposed treatment and follow-up after an adequate information and written informed consent. The study and follow-up, respecting the criteria of the Declaration of Helsinki, have been approved by Institutional Review Board (IRB) of Azienda Ospedaliera Universitaria Careggi (AOUC) Department of Surgery and Translational Medicine.
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Zanna, L., Ceri, L., Scalici, G. et al. Outcome of surgically treated acetabular fractures: risk factors for postoperative complications and for early conversion to total hip arthroplasty. Eur J Orthop Surg Traumatol 33, 2419–2426 (2023). https://doi.org/10.1007/s00590-022-03451-4
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DOI: https://doi.org/10.1007/s00590-022-03451-4